Prepare the red bell peppers and yellow bell peppers: Halve each bell pepper lengthwise and carefully remove the seeds and white membranes. Set aside.
3
Prepare the zucchini: Halve each zucchini lengthwise. Using a spoon, scoop out the pulp, leaving a border of about 1 centimeter. Finely chop the scooped zucchini pulp. Set aside the zucchini shells.